Move responsibility from RoundManager to AnswerSubmission

core/src/main/java/group07/beatbattle/controller/RoundController.java

@@ -8,10 +8,10 @@
 import group07.beatbattle.BeatBattle;
 import group07.beatbattle.ecs.Engine;
 import group07.beatbattle.firebase.FirebaseGateway;
+import group07.beatbattle.model.domain.AnswerSubmission;
 import group07.beatbattle.model.domain.GameSession;
 import group07.beatbattle.model.domain.Player;
 import group07.beatbattle.model.domain.Question;
-import group07.beatbattle.utils.ScoreCalculator;
 import group07.beatbattle.ecs.RoundManager;
 import group07.beatbattle.states.LeaderboardState;
 import group07.beatbattle.states.StartState;
@@ -124,12 +124,10 @@ public void onFailure(Exception exception) {
 
     public void onAnswerSubmitted(String answer) {
         float answerTime = getTotalTime() - getTimeRemaining();
-        boolean correct = question.isCorrect(answer);
-        int points = ScoreCalculator.calculateScore(correct, answerTime);
-
         Player localPlayer = findLocalPlayer();
         if (localPlayer != null) {
-            localPlayer.addScore(points);
+            AnswerSubmission submission = AnswerSubmission.create(localPlayer.getId(), answer, answerTime, question);
+            localPlayer.addScore(submission.getPointsAwarded());
             submitScoreToFirebase(localPlayer.getId(), localPlayer.getScore());
         }
 

core/src/main/java/group07/beatbattle/model/domain/AnswerSubmission.java

@@ -1,5 +1,7 @@
 package group07.beatbattle.model.domain;
 
+import group07.beatbattle.utils.ScoreCalculator;
+
 /**
  * Immutable record of a player's answer for a single round.
  * Stores what they answered, when they answered, whether it was correct, and how many points were awarded.
@@ -21,6 +23,13 @@ public AnswerSubmission(String playerId, String selectedAnswer, long timestamp,
         this.pointsAwarded = pointsAwarded;
     }
 
+    /** Creates an AnswerSubmission by evaluating correctness and calculating score from the given question and answer time. */
+    public static AnswerSubmission create(String playerId, String selectedAnswer, float answerTime, Question question) {
+        boolean correct = question.isCorrect(selectedAnswer);
+        int points = ScoreCalculator.calculateScore(correct, answerTime);
+        return new AnswerSubmission(playerId, selectedAnswer, System.currentTimeMillis(), correct, points);
+    }
+
     public String getPlayerId() { return playerId; }
     public String getSelectedAnswer() { return selectedAnswer; }
     public long getTimestamp() { return timestamp; }